The phrase "has not been either" is grammatically correct and can be used in written English.
Example: The decision has not been either made or considered by the council yet.
Suárez made it to 40, the first time the top scorer has not been either Ronaldo or Messi since 2009.
To my definite knowledge, they have tried hard to engage with people throughout the Federal Reserve System; some regional Feds are receptive, but the board has not been – either at the governor or staff level.
The point here has not been either to press or to reply to such complaints, but to note their framework sensitivity: they do not arise for Mset-Mset or Mset-Fmla0.
But Block (2007) takes the evidence to show that an individual can be P-conscious of the content of an unreportable stimulus, i.e. a stimulus whose content has not been either attended or stored in working memory.
Beyond that broad statement, which is now generally accepted, little remains of the underlying detail of Bowlby's theory of maternal deprivation that has not been either discredited or superseded by attachment theory and other child development theories and research, except in the area of extreme deprivation.
However, to our knowledge till now, it has not been either previously tested or reported using a Rasch analysis rather than sample and item dependent classical test models.
After 4 h, nestlet material that had not been either shredded or incorporated into a nest was weighed.
Genes marked with have not been either interrogated or classified in the microarray studies [ 6, 8, 9].
Buzbee hadn't been either until adjusters began contacting him after Hurricane Ike.
(If you've only seen it from 35,000 feet up, you haven't been either).
Even more to the point, perhaps, the rest of us have not been, either.
